From patchwork Thu Jun 9 09:46:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Alrae X-Patchwork-Id: 9166555 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2C0C7607DA for ; Thu, 9 Jun 2016 09:48:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1B51D2830C for ; Thu, 9 Jun 2016 09:48:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0F91F28336; Thu, 9 Jun 2016 09:48:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9AC5D2830C for ; Thu, 9 Jun 2016 09:48:07 +0000 (UTC) Received: from localhost ([::1]:33428 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAwZK-0000G3-KB for patchwork-qemu-devel@patchwork.kernel.org; Thu, 09 Jun 2016 05:48:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50663) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAwYr-00009g-Si for qemu-devel@nongnu.org; Thu, 09 Jun 2016 05:47:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAwYn-00017G-Ps for qemu-devel@nongnu.org; Thu, 09 Jun 2016 05:47:37 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:38149) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAwYn-000175-JX for qemu-devel@nongnu.org; Thu, 09 Jun 2016 05:47:33 -0400 Received: from hhmail02.hh.imgtec.org (unknown [10.100.10.20]) by Forcepoint Email with ESMTPS id CC751B10038C7; Thu, 9 Jun 2016 10:47:29 +0100 (IST) Received: from hhmipssw204.hh.imgtec.org (10.100.21.121) by hhmail02.hh.imgtec.org (10.100.10.20) with Microsoft SMTP Server (TLS) id 14.3.294.0; Thu, 9 Jun 2016 10:47:32 +0100 From: Leon Alrae To: Date: Thu, 9 Jun 2016 10:46:51 +0100 Message-ID: <1465465612-4543-3-git-send-email-leon.alrae@imgtec.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1465465612-4543-1-git-send-email-leon.alrae@imgtec.com> References: <1465465612-4543-1-git-send-email-leon.alrae@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [10.100.21.121] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.59.15.196 Subject: [Qemu-devel] [PATCH 2/3] hw/mips_cpc: make VP correctly start from the reset vector X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aurelien@aurel32.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP When VP enters the Run state it starts execution from the reset vector. Currently used CPU_INTERRUPT_WAKE does not do that if reset exception base has been modified. Therefore fix that by simply resetting given VP. Drop the usage of CPU_INTERRUPT_WAKE also in VP_STOP and instead raise the CPU_INTERRUPT_HALT to halt a VP. Signed-off-by: Leon Alrae --- hw/misc/mips_cpc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/misc/mips_cpc.c b/hw/misc/mips_cpc.c index e6a35dd..6d34574 100644 --- a/hw/misc/mips_cpc.c +++ b/hw/misc/mips_cpc.c @@ -37,7 +37,7 @@ static void cpc_run_vp(MIPSCPCState *cpc, uint64_t vp_run) CPU_FOREACH(cs) { uint64_t i = 1ULL << cs->cpu_index; if (i & vp_run & ~cpc->vp_running) { - cpu_interrupt(cs, CPU_INTERRUPT_WAKE); + cpu_reset(cs); cpc->vp_running |= i; } } @@ -50,8 +50,7 @@ static void cpc_stop_vp(MIPSCPCState *cpc, uint64_t vp_stop) CPU_FOREACH(cs) { uint64_t i = 1ULL << cs->cpu_index; if (i & vp_stop & cpc->vp_running) { - cs->halted = 1; - cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE); + cpu_interrupt(cs, CPU_INTERRUPT_HALT); cpc->vp_running &= ~i; } }